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ngocbichpham233
2 năm trước
Cho ΔABC cân ở A. Đường thẳng song song với BC cắt các cạnh AB, AC lần lượt ở D, E. Gọi O là giao điểm của BE và CD. Chứng minh: a) Tam giác ADE cân. b) Tam giác OBC cân.
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I. Complete the sentences using “enough”, “too” or the combinations of “enough/too” and other words. 1. She’s eighteen, so she’s (old) ___________________________order a beer. * 2. These earrings are (ugly) ________________________! I will never wear them! * 3. They have cut off the power: I don’t have (light) ___________________________finish reading this book. * 4. He’s (short) _______________________be a basketball player. He’s only 1.60 meters tall. * 5. He’s (tall) ________________________be a policeman. He’s 1.80 meters tall. * 6. The music’s (loud) __________________________. If you turn up the volume control, it will be (loud) ___________________________us; so, please don’t! * 7. Don’t go out! It’s (windy) ___________________________. Can’t you wait until it dies down? * 7. Don’t go out! It’s (windy) ___________________________. Can’t you wait until it dies down? * II. Fill the gaps with the suitable form: so / such / too / enough. 1. He’s _______________an excellent worker! He deserves to get promoted * 2. mmm… This pizza is _______________ tasty. I think I’ll have another piece. * 3. That wall is _______________ high for me to climb. I need a ladder. * 4. They had _______________ terrible weather in England that they came back in two days. * 5. It was _______________ hot coffee that I couldn’t drink it. * 6. You don’t need to hurry up, we have _______________ time to finish this exercise. * 7. Alonso didn’t drive fast _______________ to overtake Schumacher in the last race. * 9. Don’t worry about her. She is clever _______________ to realize what she has to do * III. Complete the following sentences using "enough" 1. My brother is very strong. He can lift this box. * 2. The man is very rich. He can buy this expensive car. * IV. Complete the following sentences using "too" 1. The coffee is extremely hot. I can’t drink it. * 2. She's very clumsy. She can't drive a car. *

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